.nmbox {
clear: both;
background: #f8f9fa;
border: 1px solid #AAA;
box-sizing: border-box;
margin: 2px 0;
padding: 0;
}
.nmbox * {
box-sizing: border-box;
}
.nmbox-header {
background: #eaecf0;
padding: 4px 0.5em;
font-weight: bold;
text-align: center;
white-space: nowrap
}
.nmbox .mbox-image {
display: inline-block;
}
.nmbox-text {
border-top: 1px solid #AAA;
width: 100%;
padding: 4px 0.5em;
}
@media screen and (min-width: 768px) {
.nmbox-header {
display: table-cell;
border-right: 1px solid #AAA;
width: 1%;
}
.nmbox-text {
border-top: none;
display: table-cell;
}
}